HSKRC 3 Inch 140mm Carbon Fiber Racing Frame

The HSKRC 3 Inch 140mm Carbon Fiber Racing Frame is a lightweight, high-performance airframe designed specifically for FPV (First Person View) drone racing and competitive multicopter applications. Professional FPV pilots, racing drone enthusiasts, and commercial drone operators rely on this frame for its exceptional strength-to-weight ratio and precision engineering. This frame solves the critical challenge of balancing structural integrity with minimal mass, enabling faster acceleration, superior maneuverability, and extended flight times in competitive racing environments.

Product Overview

The HSKRC 140mm racing frame utilizes premium 3K twill carbon fiber composite material layered with precision-engineered structural geometry to create an ultra-rigid platform for high-speed FPV racing. The 3-inch (approximately 75mm motor-to-motor diagonal) configuration represents the sweet spot for competitive racing, offering optimal power-to-weight efficiency while maintaining exceptional durability during aggressive maneuvers, tight gate navigation, and high-impact recovery scenarios. The frame features a symmetrical X-configuration design with reinforced motor arms, integrated camera mount provisions, and optimized center-of-gravity placement for predictable flight dynamics at speeds exceeding 200 kilometers per hour.

This racing frame incorporates advanced carbon fiber layering techniques that distribute stress loads across multiple planes, significantly reducing vibration transmission to onboard electronics while maintaining structural flexibility during impact events. The precision-cut motor arm slots accommodate standard 1104 to 1306 brushless motors, while the central fuselage integrates mounting points for flight controllers, video transmitters, and battery management systems. The frame's design philosophy prioritizes rapid component replacement, allowing pilots to swap damaged arms or plates without complete frame reconstruction, making it ideal for intensive training sessions and tournament environments where downtime must be minimized.

Key Specifications

Specification	Details
Product Type	FPV Racing Drone Frame
Brand	HSKRC
Frame Size	3 Inch (75mm Motor-to-Motor Diagonal)
Wheelbase	140mm
Material	3K Twill Carbon Fiber Composite
Weight	Approximately 45-50 grams (frame only)
Motor Compatibility	1104 to 1306 Brushless Motors
Arm Thickness	2.5mm Carbon Fiber Tubes
Center Plate	2mm Carbon Fiber with integrated mounting points
Camera Mount	Integrated FPV camera mounting bracket
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp

Key Features

• Ultra-lightweight 3K twill carbon fiber construction reduces total system weight while maintaining exceptional torsional rigidity for precise control response during high-speed racing maneuvers
• Modular arm design with quick-disconnect motor arm slots enables rapid component replacement and repair without requiring complete frame reconstruction after crashes
• Integrated FPV camera mounting bracket with multiple angle adjustment options optimizes video transmission quality and pilot situational awareness during competitive racing
• Precision-engineered center-of-gravity placement and symmetrical X-configuration design ensure predictable flight characteristics and responsive handling at extreme speeds exceeding 200 kph
• Reinforced motor arm structure with 2.5mm carbon fiber tubes distributes impact forces effectively, significantly extending frame lifespan during intensive training and tournament use
• Optimized battery compartment design accommodates standard 2S to 4S LiPo batteries while maintaining aerodynamic efficiency and center-of-mass stability

Applications and Use Cases

• Competitive FPV Racing: Professional and amateur FPV drone racing pilots utilize this frame in organized racing leagues, gate-based obstacle courses, and speed trials where lightweight construction and precision handling directly impact competitive performance
• High-Speed Freestyle Flying: Advanced drone pilots employ this frame for aggressive freestyle maneuvers, inverted flying, and complex aerial tricks requiring exceptional structural rigidity and responsive control dynamics
• Training and Skill Development: Flight schools and training centers use this frame as a platform for teaching advanced piloting techniques, emergency recovery procedures, and race-specific flying skills due to its durability and modular repair design
• Commercial Drone Operations: Professional aerial cinematography and inspection service providers utilize this frame for rapid deployment scenarios where quick repairs and lightweight construction minimize operational downtime and equipment costs

How to Use

Begin by carefully inspecting all carbon fiber components for manufacturing defects, micro-cracks, or delamination before assembly. Mount your selected brushless motors into the precision-cut arm slots, ensuring proper alignment and secure fastening with appropriate M3 screws. Install your flight controller onto the center plate using vibration-dampening standoffs, positioning the board to align with the frame's forward direction marked on the carbon fiber plate. Secure your FPV camera using the integrated mounting bracket, adjusting the tilt angle between 15 to 35 degrees depending on your flying style and track characteristics.

Route all electrical connections (motor ESC wires, camera cable, antenna) through the designated wire management channels on the frame to minimize vibration coupling and electromagnetic interference with your video transmission system. Install your battery in the battery compartment, ensuring proper weight distribution and secure fastening to prevent in-flight separation during aggressive maneuvers. Before your first flight, perform a complete range-of-motion check by manually rotating each motor arm to verify clearance and proper assembly. Conduct a ground-based systems check including motor spin direction verification, camera focus adjustment, and video transmission signal strength confirmation before launching into competitive racing scenarios.

Frequently Asked Questions

What is the maximum recommended all-up weight for this 140mm racing frame?

The HSKRC 140mm frame is optimized for total system weights between 200 to 280 grams, including frame, motors, flight controller, battery, and FPV equipment. Exceeding 280 grams compromises the frame's acceleration characteristics and maneuverability advantages. For racing applications, most competitive pilots target 220 to 250 grams for optimal speed and agility.

Is this frame suitable for beginners, or is it designed only for experienced FPV pilots?

While this frame is engineered for competitive racing, its modular design and durability make it suitable for intermediate to advanced pilots committed to developing racing skills. Beginners should start with larger 5-inch frames for better stability and forgiving flight characteristics. This 140mm frame demands precise piloting technique, smooth throttle control, and understanding of advanced flight dynamics.

Can I repair damaged motor arms, or must I replace the entire frame?

The modular design allows individual motor arm replacement without frame reconstruction. Simply unbolt the damaged arm from the center plate and install a replacement arm. However, severe center plate damage or delamination typically requires complete frame replacement to maintain structural integrity and flight safety.

What type of batteries are compatible with this frame?

This frame accommodates standard 2S to 4S LiPo batteries with capacities between 450mAh to 850mAh, depending on your specific motor and ESC configuration. Most racing pilots use 4S 650mAh batteries for optimal power delivery and flight duration balance. Ensure battery dimensions fit within the designated compartment to prevent shifting during flight.

How does carbon fiber layering affect frame performance?

The 3K twill carbon fiber construction provides superior vibration damping compared to single-directional carbon, reducing noise coupling to your FPV camera and improving video transmission quality. The multi-directional fiber orientation distributes impact forces across multiple planes, significantly extending frame lifespan during competitive use and crash recovery scenarios.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy HSKRC 3 Inch 140mm Carbon Fiber Racing Frame Online in India

Purchase the HSKRC 3 Inch 140mm Carbon Fiber Racing Frame online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on HSKRC 3 Inch 140mm Carbon Fiber Racing Frame with fast shipping and expert support.

Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.